Sarah Palin delivers an adequate performance against Joe Biden in the vice-presidential debateUNDER normal circumstances a vice-presidential debate is a snooze. Voters care about the top of the ticket. Unless the running-mate goes berserk, all will be well. But the conventional wisdom goes out the window when one of the candidates is a culture warrior in collapse. The past few weeks have been hard on Sarah Palin, the running-mate of John McCain. In one disastrous interview the Republican vice-p....
